halimaa246 halimaa246

02-06-2021
Mathematics

contestada

a) Find the value of 2x + y when x = 4 and y = 3

b) Find the value of a^2 + b when a = -2 and b = 5

Respuesta :

Abbie101270 Abbie101270

02-06-2021

(2x4)+3 =11 -qestion A

Answer Link

carmen469 carmen469

02-06-2021

a) 2(4) + 3 = 8 +3 = 11

b) -2^2 + 5 = 4 + 5 = 9

i think so ! sorry if i’m wrong

Answer Link

Otras preguntas

what is the recursiveformula for this geometric sequence? 4,-12,36,108

Someone please help :)

plz i need it today awnser right

Which of the following statements is true? a Water resources in the United States and Canada are very limited b. Water resources in the United States and Canada

If a coin is tossed 3 times, and then a standard six-sided die is rolled 4 times, and finally a group of four cards are drawn from a standard deck of 52 cards w

Why is respiration known as energy releasing process?

A runner runs at 7.6mph for 3 ½ hours. How many miles did he run?

Walter takes 7/10 0f an hour to mow 2/5 of an acre of lawn. At this rate how many acres weill he mow in an hour?

Sometimes different perspectives can lead to disagreements. What do you think when you disagree with others? Check any that apply. They don't like me. They are

Maths Question:The vase has a radius of 5cm,There are 1000cm cubed of water in the vase,Work out the depth of the water in the vase.Give your answer to 1 decima